PHP Manual
IMAP Functions
Returns headers for all messages in a mailbox

imap_headers

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_headers — Returns headers for all messages in a mailbox

Description

imap_headers(IMAP\Connection $imap): array|false

Returns headers for all messages in a mailbox.

Parameters

imap: An IMAP\Connection instance.

Return Values

Returns an array of string formatted with header info. One element per mail message. Returns false on failure.

Changelog

Version	Description
8.1.0	The `imap` parameter expects an IMAP\Connection instance now; previously, a resource was expected.

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